package com.itheima.adapter.interface_adapter;

/**
 * @author zzw
 * @date 2025/10/7
 * @description 电脑类
 */
public class Computer {

    public String readSD(SDCard sdCard) {
        if (sdCard == null) {
            throw new NullPointerException("sd card null");
        }
        return sdCard.readSD();
    }
}
